--- a/bmsd/nodes.h	Thu May 30 21:19:43 2019 +0200
+++ b/bmsd/nodes.h	Thu May 30 23:00:20 2019 +0200
@@ -21,4 +21,10 @@
  */
 void node_death(char *topic);
 
+/**
+ * @brief Check if nodes are still online and mark them offline if not
+ *        been seen for 10 minutes.
+ */
+void nodes_check_online(void);
+
 #endif